Finding the Fourth Proportional to 12,901.39, 19,360.71 and 4,693.39

Step by Step Solution

1. Step 1: Write the proportion equation
   12,901.39 : 19,360.71 = 4,693.39 : x
2. Step 2: Convert to fraction form
   12,901.39/19,360.71 = 4,693.39/x
3. Step 3: Cross multiply
   12,901.39x = 19,360.71 × 4,693.39
4. Step 4: Simplify right side
   12,901.39x = 90,867,362.71
5. Step 5: Solve for x
   x = 90,867,362.71/12,901.39
6. Step 6: Final answer
   x = 7,043.22